Question
Download Solution PDFIn an irrigated field, the crop requires 60 cm of water in 15 days, while the effective rainfall during that period is recorded as 15 cm. Find the duty at the head of field. Assume no losses
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFconcept:
Using the relation \({\rm{\Delta }} = \frac{{864\;B}}{D}\;\)
Δ → depth of water required (cm)
D → Duty (hectares per cumec)
B → Base period (days)
Effective Δ = 60-15=45 cm,
B = 15 days
\(D = \frac{{864 \times 15}}{{45}}\)
D = 288 ha/cumec
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